4MA1/1F Jun 2022, Question 11: Direct Proportion in Real Life
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 4 marks
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The question, in short
Using a recipe needing 360 g flour for 15 cakes, Johan has 0.85 kg. Work out flour needed for 38 cakes and decide if he has enough, showing working.
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Solution · 4 marks
- 10.85 × 1000 = 850
- 2360 ÷ 15 = 24
- 324 × 38 = 912
- 4912 > 850
- 5No
AnswerNo, because 38 cakes need 24 × 38 = 912 g of flour but Johan has only 850 g
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